From: Chris Park <Chris.Park@xxxxxxx>
[Why]
Part of HDMI 2.1 requires AVI InfoFrame version update
from current V2 to V4 for new colorimetry.
[How]
Define V4 AVI InfoFrame ACE0-ACE3 bit.
Change-Id: Ie840136e661ea72ac90be6894e19c44e376d4679
Signed-off-by: Chris Park <Chris.Park@xxxxxxx>
Reviewed-by: Nevenko Stupar <Nevenko.Stupar@xxxxxxx>
Acked-by: Bhawanpreet Lakha <Bhawanpreet Lakha@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 7 +++++++
drivers/gpu/drm/amd/display/include/set_mode_types.h | 5 ++++-
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 9ef417eb697d..20966325852f 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -2384,6 +2384,13 @@ static void set_avi_info_frame(
hdmi_info.bits.bar_right = (stream->timing.h_total
- stream->timing.h_border_right + 1);
+ /* Additional Colorimetry Extension
+ * Used in conduction with C0-C1 and EC0-EC2
+ * 0 = DCI-P3 RGB (D65)
+ * 1 = DCI-P3 RGB (theater)
+ */
+ hdmi_info.bits.ACE0_ACE3 = 0;
+
/* check_sum - Calculate AFMT_AVI_INFO0 ~ AFMT_AVI_INFO3 */
check_sum = &hdmi_info.packet_raw_data.sb[0];
diff --git a/drivers/gpu/drm/amd/display/include/set_mode_types.h b/drivers/gpu/drm/amd/display/include/set_mode_types.h
index 2b836e582c08..845fea8a387f 100644
--- a/drivers/gpu/drm/amd/display/include/set_mode_types.h
+++ b/drivers/gpu/drm/amd/display/include/set_mode_types.h
@@ -84,7 +84,10 @@ union hdmi_info_packet {
uint16_t bar_left;
uint16_t bar_right;
- uint8_t reserved[14];
+ uint8_t F140_F143:4;
+ uint8_t ACE0_ACE3:4;
+
+ uint8_t reserved[13];
} bits;
struct info_packet_raw_data packet_raw_data;
--
2.17.1
_______________________________________________
amd-gfx mailing list
amd-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
